| Description | This family consists of general secretion pathway protein L sequences from several Gram-negative bacteria. GspL is predicted to contain a large cytoplasmic domain and has been shown to interact with the autophosphorylating cytoplasmic membrane protein GspE. It is thought that the tri-molecular complex of GspL, GspE and GspM might be involved in regulating the opening and closing of the secretion pore and/or transducing energy to the site of outer membrane translocation [ ].The type II secretion system (T2SS) is one of several extracellular secretion systems in gram-negative bacteria. It delivers toxins and a range of hydrolytic enzymes including proteases, lipases and carbohydrate-active enzymes to the cell surface or extracellular space [ ]. T2SS systems are composed of 11 to 15 different proteins, which are generally called GspA to GspO and GspS. The T2SS spans the two bacterial membranes and ensures secretion of folded proteins across the outer membrane pore formed by GspD. The inner membrane complex contains GspC, GspL, GspM, and GspF. The cytoplasmic domains of GspL and GspF interact with an ATPase, GspE. GspE is thought to energize the formation of a short pseudopilus by several pilin-like proteins, GspG to GspK []. GspD has been shown to interact with the inner membrane component GspC []. | Name | Type II secretion system protein GspL |
| Short Name | T2SS_protein-GspL | Type | Family |
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